CN109292128B - Explosion-proof servo control system and control method thereof - Google Patents
Explosion-proof servo control system and control method thereof Download PDFInfo
- Publication number
- CN109292128B CN109292128B CN201811136521.4A CN201811136521A CN109292128B CN 109292128 B CN109292128 B CN 109292128B CN 201811136521 A CN201811136521 A CN 201811136521A CN 109292128 B CN109292128 B CN 109292128B
- Authority
- CN
- China
- Prior art keywords
- explosion
- proof
- ball valve
- servo motor
- control
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B3/00—Packaging plastic material, semiliquids, liquids or mixed solids and liquids, in individual containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, or jars
- B65B3/26—Methods or devices for controlling the quantity of the material fed or filled
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B57/00—Automatic control, checking, warning, or safety devices
Abstract
The application relates to an explosion-proof servo control system and a control method thereof, comprising the following steps: a quantity control main body and an explosion-proof execution unit; the control main body is connected with the explosion-proof execution unit through a connecting bracket, so that the control main body and the explosion-proof execution unit form a whole; the rotating shaft of the control quantity main body is connected with the power output shaft of the explosion-proof execution unit through a connecting shaft, and the state of the control quantity ball valve on the control quantity main body is controlled through the explosion-proof execution unit; the explosion-proof execution unit includes: servo motor, planetary reducer, explosion-proof shell; the servo motor and the planetary reducer are both arranged in the explosion-proof shell, the servo motor is connected with the planetary reducer, and the rotating angle of the rotating shaft of the quantity-controlled ball valve on the quantity-controlled main body is controlled by the servo motor, so that the quantity-controlled ball valve is opened and closed linearly. The control system adopts the explosion-proof servo motor to control the ball valve, realizes the linear opening and closing of the ball valve, and greatly improves the control precision and speed.
Description
Technical Field
The application belongs to the field of a quantity control system for a chemical explosion-proof liquid material filling machine, and particularly relates to an explosion-proof servo quantity control system for accurately controlling the filling speed and the precision of the filling machine and a quantity control method thereof.
Background
The current control system adopted by the chemical explosion-proof liquid material filling machine is a pneumatic ball valve control, and the control method can realize quick and slow filling, can meet the general precision and speed requirements, and cannot meet the filling requirements of high precision and high speed. And because pneumatic ball valves can not realize the linear opening and closing of the ball valves, the speed can be reduced when the speed is required to be high, and the precision can be reduced after the speed is increased. The existing electric ball valve can realize linear opening and closing of the ball valve by driving the rotation of the ball valve rotating shaft through a motor, but because explosion-proof treatment is required to be carried out on used electric appliances during filling of chemical explosion-proof liquid materials, the existing electric ball valve cannot meet the requirements of the chemical industry.
Disclosure of Invention
The first object of the application is to provide an explosion-proof servo control system, which solves the problem that the existing control system cannot meet the filling requirements of high precision and high speed at the same time.
In order to achieve the above purpose, the application is realized by adopting the following technical scheme:
an explosion proof servo control system comprising: a quantity control main body and an explosion-proof execution unit; the control main body is connected with the explosion-proof execution unit through a connecting bracket, so that the control main body and the explosion-proof execution unit form a whole; the rotating shaft of the control quantity main body is connected with the power output shaft of the explosion-proof execution unit through a connecting shaft, and the state of the control quantity ball valve on the control quantity main body is controlled through the explosion-proof execution unit; the explosion-proof execution unit includes: servo motor, planetary reducer, explosion-proof shell; the servo motor and the planetary reducer are both arranged in the explosion-proof shell, the servo motor is connected with the planetary reducer, and the rotating angle of the rotating shaft of the quantity-controlled ball valve on the quantity-controlled main body is controlled by the servo motor, so that the quantity-controlled ball valve is opened and closed linearly.
Preferably, the explosion-proof housing includes: the box body, the front cover, the rear cover and the shaft joint; front covers and rear covers are respectively arranged at the front end and the rear end of the box body, and outlet connectors for connecting cables of the servo motor are processed on the side wall of the box body; the front cover is of a hollow structure, and the shaft joint is arranged in an inner hole of the front cover; the shaft joint is of a crisscross structure, one end of the shaft joint is connected with an output shaft of the planetary reducer, and the other end of the shaft joint is connected with the quantity control main body through a connecting shaft; the shaft joint is provided with a deep groove ball bearing, the deep groove ball bearing is fixed in an inner hole of the front cover, and the rotation center of the shaft joint is positioned through the deep groove ball bearing; the shaft joint is axially positioned with the hole elastic retainer ring through the bearing end cover, and the shaft joint is fixed in the inner hole of the front cover; the front cover is fixedly connected with the connecting bracket, so that the quantity control main body and the explosion-proof execution unit form a whole; the servo motor and the planetary reducer are assembled and then are installed and fixed in the explosion-proof shell.
Preferably, the amount control body includes: the anti-explosion liquid material enters the quantity control ball valve through the material pipe when the filling machine is filled, and the flow rate of the anti-explosion liquid material during filling is controlled by the quantity control ball valve; in order to prevent leakage during filling, a first sealing gasket is preferably arranged between the quantity control ball valve and the material pipe.
In the application, the connecting shaft is preferably provided with a fastening ring, and the connecting shaft is fastened by the fastening ring to prevent the connecting failure.
In the present application, preferably, a detection plate is provided on the connection shaft, and the detection plate rotates with the rotation of the connection shaft, and the position of the detection plate is monitored by the induction switch, so that the state of the quantity control ball valve is grasped.
As a further preferred aspect of the present application, the outlet connector includes a sleeve, two gaskets, a seal ring, and a compression connector; the sleeve and the box body are welded into a whole, the gaskets are arranged at the upper end and the lower end of the sealing ring, and the gaskets and the sealing ring are arranged in the sleeve; the compression joint is in threaded connection with the sleeve, the sealing ring and the gasket are compressed through the compression joint, the sealing ring is compressed and then contracts and deforms, and the cable stirrup passing through the hole is sealed and explosion-proof.
As a further preferred aspect of the present application, the volume control body further includes: a master control ball valve and a pneumatic actuator; the total ball control valve is connected with the material pipe, and is connected with the pneumatic actuator through the ball valve transmission shaft and the ball valve support, and the opening or closing of the total ball control valve is controlled through the pneumatic actuator, so that the problem of material overflow caused by the fact that the time control ball valve cannot be closed when the power is suddenly cut off is avoided.
As a further preferred aspect of the present application, a second gasket is installed between the master ball valve and the material pipe, in order to prevent leakage during filling, and the pneumatic actuator is a single-acting pneumatic actuator, that is: when in ventilation, the single-action pneumatic actuator acts, and the master control ball valve is opened; when the air is cut off, the single-acting pneumatic actuator is reset, and the total ball control valve is closed.
As a further preferred aspect of the present application, the inductive switch, the servo motor and the pneumatic actuator are all electrically connected with a main control system of the filling machine; the inductive switch is used for sending a signal monitored in real time to the main control system, and the main control system controls the pneumatic actuator to act and simultaneously controls the servo motor to rotate forwards or reversely.
As still further preferred of the present application, the inductive switch includes: the detection switch is closed in situ and the full-open protection detection switch is closed; the detection plate is positioned between the in-situ closing detection switch and the full-open protection detection switch, the detection plate rotates along with the rotation of the rotating shaft of the quantity control ball valve in the filling process, and when the detection plate is positioned between the in-situ closing detection switch and the full-open protection detection switch, the in-situ closing detection switch and the full-open protection detection switch have no signals; when filling is completed, the detection plate is positioned at the position of the in-situ closing detection switch, namely the origin of the action of the quantity control ball valve, namely the closing state; the in-situ closing detection switch sends the monitored signal to the main control system, and waits for the next filling; under abnormal conditions, when the rotation angle of the rotating shaft of the quantity control ball valve exceeds 90 degrees, the full-open protection detection switch can monitor signals and send the monitored signals to the main control system, the main control system controls the servo motor to reversely correct, the full-open protection detection switch is installed to play a role in protection, and the excessive opening and exceeding of the rotation angle of the quantity control ball valve is prevented.
Another object of the present application is to provide a method for controlling an explosion-proof servo control system, which specifically includes the following steps:
step S1, connecting a cable of a servo motor with an external power supply, starting the servo motor, enabling the servo motor to act, simultaneously driving a planetary reducer to act, enabling the planetary reducer to drive a shaft joint to rotate, enabling a rotating shaft of a quantity control ball valve to rotate by a certain angle, enabling the quantity control ball valve to be in a non-fully opened state, and then starting filling; the process is not fully opened mainly for preventing the material from splashing and foaming due to excessive pressure;
s2, feeding back a filling weight signal in real time by a weighing sensor for bearing a ton bag or an ICB barrel, and when the filling weight reaches a certain weight and the liquid level depth of the material is higher than the height of a straight pipe material outlet under a filling gun, enabling a rotating shaft of a quantity control ball valve to continuously rotate, so that the quantity control ball valve is in a full-open state and is used for filling a large amount of materials;
and S3, when the filling weight is 20-30kg different from the total weight, the servo motor acts, the rotating shaft of the quantity control ball valve reversely rotates for 30-40 degrees and then continues to fill, when the weight is 10-15kg different from the total weight, the servo motor acts again, the rotating shaft of the quantity control ball valve continues to rotate for 40-47 degrees and then the precise filling is completed, and finally the filling weight is completed.
The application has the advantages and positive effects that:
(1) The quantity control system provided by the application has a simple structure and is convenient to use, and the quantity control system can be connected with a main control system of the existing filling machine to realize intelligent control; in addition, compared with the existing pneumatic ball valve, the control system can meet the filling requirements of high precision and high speed due to the fact that the servo motor is used for controlling the linear opening and closing of the ball valve; compared with the existing electric ball valve, the explosion-proof treatment is carried out on the servo motor, so that the d II BT4 explosion-proof requirement can be met, and the electric ball valve can be applied to the chemical industry with special explosion-proof requirements.
(2) The explosion-proof shell used in the explosion-proof treatment of the servo motor is of a brand new and unique structure designed by the inventor, is simple in structure and compact in installation, and can be used for conveying power of the servo motor out while guaranteeing the explosion-proof treatment of the servo motor, so that the linear opening and closing of the quantity-control ball valve are realized.
(3) According to the application, the material pipe is provided with the quantity control ball valve and the total control ball valve, both the total control ball valve and the quantity control ball valve are opened during filling, and the filling speed is regulated and controlled through the quantity control ball valve; in addition, because the pneumatic actuator of the total control ball valve can be automatically reset when the air is cut off, the problem of material discharge caused by the fact that the control ball valve cannot be closed when the power is suddenly cut off can be effectively avoided after the total control ball valve is adopted, and the risk of intelligent automatic filling operation is reduced.
(4) The method for controlling the amount of the chemical explosion-proof liquid material can be used for filling the chemical explosion-proof liquid material quickly, has high filling precision, can realize full-automatic filling, and greatly provides filling efficiency.
Drawings
FIG. 1 is a schematic diagram of the configuration of the quantity control system of the present application.
FIG. 2 is a schematic structural view of the quantity control body of the present application.
Fig. 3 is a schematic diagram of the structure of the explosion-proof execution unit of the present application.
Fig. 4 is an enlarged view of an outlet connection on an explosion proof actuator unit of the present application.
Detailed Description
The following description is given for the purpose of illustrating the general principles of the application and its advantages, and is not meant to limit the scope of the application.
Example 1 an explosion-proof Servo control System
Referring to fig. 1, the explosion-proof servo control system provided by the present application includes: a quantity control main body 1 and an explosion-proof execution unit 6; the control main body 1 is connected with the explosion-proof execution unit 6 through a connecting bracket 4 by bolts, so that the control main body and the explosion-proof execution unit form a whole; the rotating shaft of the control quantity main body 1 is connected with the power output shaft of the explosion-proof execution unit 6 through a connecting shaft 5, the state of the control quantity ball valve on the control quantity main body 1 is controlled through the explosion-proof execution unit 6, and in the specific installation process, the connecting shaft 5 is connected with the power output shaft of the explosion-proof execution unit 6 through a flat key; in order to prevent the connection failure of the connecting shaft 5, a fastening ring 3 is preferably arranged on the connecting shaft 5, and the connecting shaft is fastened by the fastening ring 3;
the explosion-proof execution unit 6 includes: a servo motor 22, a planetary reducer 21 and an explosion-proof housing A; the servo motor 22 and the planetary reducer 21 are both arranged in the explosion-proof shell, the servo motor is connected with the planetary reducer, and the angle of rotation of the rotating shaft of the quantity-control ball valve on the quantity-control main body 1 is controlled by the servo motor, so that the quantity-control ball valve is opened and closed linearly.
Referring to fig. 2, the volume control body 1 includes: the device comprises a quantity control ball valve 7, a material pipe 9 connected with the quantity control ball valve, a total ball control valve 11 arranged on the material pipe and a pneumatic actuator 14; when the filling machine is used for filling, the explosion-proof liquid material enters the quantity control ball valve 7 after passing through the total control ball valve 11 and the material pipe 9, and the flow rate of the explosion-proof liquid material during filling is controlled by the quantity control ball valve 7; the total control ball valve 11 plays a role of a total switch, and only the total control ball valve 11 is in an open state, and a material side can enter the quantity control ball valve 7 for filling;
the master control ball valve 11 is connected with the pneumatic actuator 14 through a ball valve transmission shaft 12 and a ball valve bracket 13 through bolts, and the opening or closing of the master control ball valve is controlled through the pneumatic actuator 14; the pneumatic actuator 14 is preferably a single-acting pneumatic actuator, namely: when in ventilation, the single-action pneumatic actuator acts, and the master control ball valve is opened; when the air is cut off, the single-acting pneumatic actuator is reset, and the total ball control valve is closed; when the filling is started, the single-acting pneumatic actuator 14 acts, the total ball control valve 11 is opened through the ball valve transmission shaft 12, materials flow to the filling gun through the total ball control valve 11, the material pipe 9 and the quantity control ball valve 7, finally the packaging container is filled, the single-acting pneumatic actuator 14 can realize ventilation action, and the gas interruption restores the original position function, so that the automatic closing of the total ball control valve under the condition of sudden gas interruption is ensured, and the material overflow is avoided.
In addition, in order to prevent leakage during filling, a first sealing gasket 8 is preferably arranged between the quantity control ball valve 7 and the material pipe 9; a second sealing gasket 10 is arranged between the general control ball valve 11 and the material pipe 9.
Referring to fig. 1 and 3, the explosion-proof housing a includes: a box 20, a front cover 19, a rear cover 26 and a shaft joint 17; the front cover 19 and the rear cover 26 are respectively mounted at the front end and the rear end of the box body 20, and in the actual mounting process, the front cover 19, the rear cover 26 and the box body 20 are all connected through flanges, and the flange connection is a mechanically common connection mode, so the content shown in fig. 3 of the application does not show the flange part alone, but shows the flange connection part and the front cover 19 and the rear cover 26 as an integral structure; an outlet connector for connecting a cable of the servo motor is processed on the side wall of the box body 20; the front cover 19 is of a hollow structure, and the shaft joint 17 is arranged in an inner hole of the front cover; the shaft joint is of a crisscross structure, one end of the shaft joint is connected with an output shaft of the planetary reducer 21, the other end (power output shaft end) is connected with the control main body 1 through a connecting shaft 5, and the power output shaft end is connected with the connecting shaft 5 through a flat key; two deep groove ball bearings 15 are mounted on the shaft joint 17, the deep groove ball bearings 15 are fixed in an inner hole of the front cover, and the rotation center of the shaft joint 17 is positioned through the deep groove ball bearings 15; the shaft joint is axially positioned through the bearing end cover 16 and the circlip 18 for hole, and the shaft joint is fixed in the inner hole of the front cover; the front cover 19 is fixedly connected with the connecting bracket 4 through a flange, so that the quantity control main body 1 and the explosion-proof execution unit 2 form a whole; the servo motor and the planetary reducer are assembled and then are installed and fixed in the explosion-proof shell.
Referring to fig. 4, the outlet connector comprises a sleeve 27, two gaskets 25, a sealing ring 24 and a compression connector 23; the sleeve 27 is welded with the box body into a whole, the gaskets are arranged at the upper end and the lower end of the sealing ring, and the gaskets and the sealing ring are arranged in the sleeve; the compression joint is in threaded connection with the sleeve, the sealing ring and the gasket are compressed through the compression joint, the sealing ring is compressed and then contracts and deforms, and the cable stirrup passing through the hole is sealed and explosion-proof.
In order to conveniently grasp the state of the quantity control ball valve 7, a detection plate 2 is arranged on the connecting shaft 5, the detection plate 5 rotates along with the rotation of the connecting shaft, and the position of the detection plate is monitored through an inductive switch; the inductive switch, the servo motor and the pneumatic actuator are electrically connected with a main control system of the filling machine; the inductive switch is used for sending a signal monitored in real time to the main control system, and the main control system controls the pneumatic actuator to act and simultaneously controls the servo motor to rotate forwards or reversely.
The inductive switch includes: the detection switch is closed in situ and the full-open protection detection switch is closed; the detection plate is positioned between the in-situ closing detection switch and the full-open protection detection switch, the detection plate rotates along with the rotation of the rotating shaft of the quantity control ball valve in the filling process, and when the detection plate is positioned between the in-situ closing detection switch and the full-open protection detection switch, the in-situ closing detection switch and the full-open protection detection switch have no signals; when filling is completed, the detection plate is positioned at the position of the in-situ closing detection switch, namely the origin of the action of the quantity control ball valve, namely the closing state; the in-situ closing detection switch sends the monitored signal to the main control system, and waits for the next filling; under abnormal conditions, when the rotation angle of the rotating shaft of the quantity control ball valve exceeds 90 degrees, the full-open protection detection switch can monitor signals and send the monitored signals to the main control system, the main control system controls the servo motor to reversely correct, the full-open protection detection switch is installed to play a role in protection, and the excessive opening and exceeding of the rotation angle of the quantity control ball valve is prevented.
Example 2 method for controlling an explosion-proof servo control System
In order to make the specific control method of the control system provided in embodiment 1 more clear for those skilled in the art, the following takes 200kg of filling weight as an example, and the specific steps of the control method of the present application will be described in detail assuming that the rotation shaft of the control ball valve is rotated by 90 ° to be fully opened.
The method for controlling the explosion-proof servo control system specifically comprises the following steps:
step S1, connecting a cable of a servo motor 22 with an external power supply, starting the servo motor 22, enabling the servo motor to act, simultaneously driving a planetary reducer 21 to act, enabling the planetary reducer to drive a shaft joint 17 to rotate, enabling a rotating shaft of a quantity control ball valve 7 to rotate by a certain angle (60 degrees), enabling the quantity control ball valve to be in a non-fully opened state, and then starting filling; the process is not fully opened mainly for preventing the material from splashing and foaming due to excessive pressure;
s2, feeding back a filling weight signal in real time by a weighing sensor for bearing a ton bag or an ICB bucket, and when the filling weight reaches a certain weight (30 kg) and the liquid level depth of the material is higher than the height of a material outlet of a straight pipe below a filling gun, enabling a rotating shaft of a quantity control ball valve 7 to continuously rotate by 30 degrees, so that the quantity control ball valve is in a fully opened state and is used for filling a large amount of materials;
and S3, when the filling weight reaches 180kg (which is different from the total weight by 20-30 kg), the servo motor acts, the rotating shaft of the quantity control ball valve reversely rotates for 30 degrees and then continues to fill, when the weight reaches 188kg (which is different from the total weight by 10-15 kg), the servo motor acts again, the rotating shaft of the quantity control ball valve continues to rotate for 47 degrees and finally, the filling weight is 200kg.
Claims (8)
1. An explosion proof servo control system comprising: a quantity control main body and an explosion-proof execution unit; characterized in that the quantity control main body
The explosion-proof execution unit is connected with the explosion-proof execution unit through a connecting bracket, so that the explosion-proof execution unit forms a whole; the rotating shaft of the quantity control main body is connected with
The connecting shaft is connected with a power output shaft of the explosion-proof execution unit, and the shape of the quantity-control ball valve on the quantity-control main body is controlled by the explosion-proof execution unit
A state; the explosion-proof execution unit includes: servo motor, planetary reducer, explosion-proof shell; the servo motor and the planetary reducer are both arranged in the explosion-proof shell, the servo motor is connected with the planetary reducer, and the servo motor is used for controlling the upper control ball of the control main body
The valve rotating shaft rotates by an angle, so that the linear opening and closing of the quantity control ball valve are realized;
the explosion-proof housing includes: the box body, the front cover, the rear cover and the shaft joint; front covers and rear covers are respectively arranged at the front end and the rear end of the box body, and outlet connectors for connecting cables of the servo motor are processed on the side wall of the box body; the front cover is of a hollow structure, and the shaft joint is arranged in an inner hole of the front cover; the shaft joint is of a crisscross structure, one end of the shaft joint is connected with an output shaft of the planetary reducer, and the other end of the shaft joint is connected with the quantity control main body through a connecting shaft; the shaft joint is provided with a deep groove ball bearing, the deep groove ball bearing is fixed in an inner hole of the front cover, and the rotation center of the shaft joint is positioned through the deep groove ball bearing; the shaft joint is axially positioned with the hole elastic retainer ring through the bearing end cover, and the shaft joint is fixed in the inner hole of the front cover; the front cover is fixedly connected with the connecting bracket, so that the quantity control main body and the explosion-proof execution unit form a whole; the servo motor and the planetary reducer are assembled and then are fixedly arranged in the explosion-proof shell;
the volume control main part includes: the device comprises a quantity control ball valve and a material pipe connected with the quantity control ball valve, wherein a first sealing gasket is arranged between the quantity control ball valve and the material pipe.
2. The explosion-proof servo control system according to claim 1, wherein the connecting shaft is provided with a fastening ring, the fastening ring is used for fastening, the connecting shaft is further provided with a detection plate, the detection plate rotates along with the rotation of the connecting shaft, and the position of the detection plate is monitored through an inductive switch, so that the state of the control ball valve is mastered.
3. The explosion-proof servo control system according to claim 1, wherein the outlet joint comprises a sleeve, two gaskets, a sealing ring and a compression joint; the sleeve and the box body are welded into a whole, the gaskets are arranged at the upper end and the lower end of the sealing ring, and the gaskets and the sealing ring are arranged in the sleeve; the compression joint is in threaded connection with the sleeve, and the sealing ring and the gasket are compressed through the compression joint.
4. The explosion proof servo control amount system according to claim 2, wherein said control amount body further comprises: a master control ball valve and a pneumatic actuator; the master control ball valve is connected with the material pipe, is connected with the pneumatic actuator through a ball valve transmission shaft and a ball valve bracket, and is controlled to be opened or closed through the pneumatic actuator.
5. The explosion proof servo control system as set forth in claim 4, wherein a second gasket is installed between said total ball valve and said material tube, and said pneumatic actuator is a single-acting pneumatic actuator.
6. The explosion-proof servo control system according to claim 4, wherein the induction switch, the servo motor and the pneumatic actuator are all electrically connected with a main control system of the filling machine; the inductive switch is used for sending a signal monitored in real time to the main control system, and the main control system controls the pneumatic actuator to act and simultaneously controls the servo motor to rotate forwards or reversely.
7. The explosion proof servo control system as set forth in claim 6, wherein said inductive switch comprises: the detection switch is closed in situ and the full-open protection detection switch is closed; the detection plate is positioned between the in-situ closing detection switch and the full-opening protection detection switch, and rotates along with the rotation of the rotating shaft of the quantity control ball valve in the filling process.
8. The method for controlling the explosion-proof servo control system according to claim 1, wherein the method for controlling the explosion-proof servo control system comprises the following steps:
step S1, connecting a cable of a servo motor with an external power supply, starting the servo motor, and driving the servo motor to act simultaneously
The planetary reducer acts and drives the shaft joint to rotate, the rotating shaft of the quantity control ball valve is rotated by a certain angle, the quantity control ball valve is in a non-fully opened state, and then filling is started; the process is not fully opened mainly for preventing the material from splashing and foaming due to excessive pressure;
s2, feeding back a filling weight signal in real time by a weighing sensor of a bearing ton bag or an ICB bucket, and when the filling weight reaches a certain value
When the weight and the depth of the liquid level of the material are higher than the height of the material outlet of the straight pipe below the charging gun, the servo motor acts, and the rotating shaft of the quantity-control ball valve
Continuing to rotate to enable the quantity control ball valve to be in a full-open state, and filling a large quantity of balls;
s3, when the filling weight is 20-30kg different from the total weight, the servo motor acts to reversely rotate the rotating shaft of the quantity-control ball valve
And (3) continuing to fill after moving for 30-40 degrees, when the weight is different from the total weight by 10-15kg, enabling the servo motor to act again, continuing to rotate the rotating shaft of the quantity control ball valve for 40-47 degrees, and finally completing the filling weight.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811136521.4A CN109292128B (en) | 2018-09-28 | 2018-09-28 | Explosion-proof servo control system and control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811136521.4A CN109292128B (en) | 2018-09-28 | 2018-09-28 | Explosion-proof servo control system and control method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109292128A CN109292128A (en) | 2019-02-01 |
| CN109292128B true CN109292128B (en) | 2023-09-19 |
Family
ID=65164546
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811136521.4A Active CN109292128B (en) | 2018-09-28 | 2018-09-28 | Explosion-proof servo control system and control method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109292128B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03694A (en) * | 1989-05-12 | 1991-01-07 | Sanyo Electric Co Ltd | Draft beer feeder |
| CN2711133Y (en) * | 2003-10-08 | 2005-07-20 | 廊坊包装设备制造总公司 | Liquid aseptic canning valve |
| CN1818442A (en) * | 2004-12-17 | 2006-08-16 | 因文思建筑系统公司 | Apparatus and method for replacing existing actuator zone valves in an HVAC system with a ball valve |
| CN201538677U (en) * | 2009-11-19 | 2010-08-04 | 长春北方仪器设备有限公司 | Explosion-proof filling robot |
| CN107420569A (en) * | 2017-09-12 | 2017-12-01 | 长春北方化工灌装设备股份有限公司 | A kind of charge rifle and three-level filling control method of flow classification adjustment |
| CN207418261U (en) * | 2017-09-12 | 2018-05-29 | 长春北方化工灌装设备股份有限公司 | A kind of charge rifle of integrated Small Amount adjustment valve |
| CN208882150U (en) * | 2018-09-28 | 2019-05-21 | 长春北方化工灌装设备股份有限公司 | Explosion-proof servo control amount system |
-
2018
- 2018-09-28 CN CN201811136521.4A patent/CN109292128B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03694A (en) * | 1989-05-12 | 1991-01-07 | Sanyo Electric Co Ltd | Draft beer feeder |
| CN2711133Y (en) * | 2003-10-08 | 2005-07-20 | 廊坊包装设备制造总公司 | Liquid aseptic canning valve |
| CN1818442A (en) * | 2004-12-17 | 2006-08-16 | 因文思建筑系统公司 | Apparatus and method for replacing existing actuator zone valves in an HVAC system with a ball valve |
| CN201538677U (en) * | 2009-11-19 | 2010-08-04 | 长春北方仪器设备有限公司 | Explosion-proof filling robot |
| CN107420569A (en) * | 2017-09-12 | 2017-12-01 | 长春北方化工灌装设备股份有限公司 | A kind of charge rifle and three-level filling control method of flow classification adjustment |
| CN207418261U (en) * | 2017-09-12 | 2018-05-29 | 长春北方化工灌装设备股份有限公司 | A kind of charge rifle of integrated Small Amount adjustment valve |
| CN208882150U (en) * | 2018-09-28 | 2019-05-21 | 长春北方化工灌装设备股份有限公司 | Explosion-proof servo control amount system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109292128A (en) | 2019-02-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109292128B (en) | Explosion-proof servo control system and control method thereof | |
| CN208882150U (en) | Explosion-proof servo control amount system | |
| CN206054892U (en) | A kind of safety Direct Travel executor | |
| CN101210631B (en) | Gyration type hydraulic operated valve | |
| CN116928376A (en) | Closed gate valve for gas pipeline | |
| CN208070690U (en) | A kind of screw conveyor | |
| CN201257712Y (en) | Mixing machine with external bearings | |
| CN213148599U (en) | Pressure-bearing pipeline system and valve hydrostatic test device | |
| CN212251196U (en) | Bidirectional hydraulic butterfly valve dynamic composite sealing device | |
| CN104150242A (en) | Silo center discharging machine driven by internal motors | |
| CN203998186U (en) | The silo center unloader that motor internal drives | |
| CN112495761A (en) | Vacuum vibration screening machine | |
| JPH11270484A (en) | Screw rotor type wet vacuum pump | |
| CN218878457U (en) | Spiral feeder | |
| CN208118108U (en) | A kind of pressure is for starching the mechanically-sealing apparatus of agitator tank | |
| CN219282400U (en) | Full-automatic semi-self-tightening quick-opening manhole for pressure container | |
| CN220396532U (en) | Closed gate valve for large-caliber gas pipeline | |
| CN220668775U (en) | Pipeline plugging device | |
| CN220098555U (en) | Oil dripping preventing crane tube structure | |
| CN209889162U (en) | Sealed powder partial shipment device | |
| CN215028670U (en) | Vacuum automatic feeding machine for reaction kettle | |
| CN216895812U (en) | Circulating water pump outlet liquid accuse butterfly valve device of DCS system control | |
| CN216099024U (en) | Industrial robot | |
| CN209483943U (en) | A kind of stop valve | |
| CN203560466U (en) | Pneumatic butterfly valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 130000 Software Road No. 177, Changchun High-tech Development Zone, Jilin Province Applicant after: Changchun Rongcheng Intelligent Equipment Manufacturing Co.,Ltd. Applicant after: CHANGCHUN ZHIHE INTELLIGENT PACKAGING EQUIPMENT Co.,Ltd. Applicant after: CHANGCHUN LANZHOU TECHNOLOGY Co.,Ltd. Address before: 130000 Software Road No. 177, Changchun High-tech Development Zone, Jilin Province Applicant before: CHANGCHUN NORTHERN CHEMICAL FILLING EQUIPMENT Co.,Ltd. Applicant before: CHANGCHUN ZHIHE INTELLIGENT PACKAGING EQUIPMENT Co.,Ltd. Applicant before: CHANGCHUN LANZHOU TECHNOLOGY Co.,Ltd. |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |